Thanks for your response. This is the first time someone suggested the timing belt. Everyone else suggested either the air filter, fuel filter, catalytic converter being clogged, spark plugs, or plug harness, and of course fuel pump. You cannot hear the fuel pump, but it actually started once or twice yesterday, so seems to be priming. I think this still boils down to getting the trouble codes, which is new to me, so will have to get a scanner and try to figure it out. I have no clue how to initiate or read the dash blinking.Thanks for your response. This is the first time someone suggested the timing belt. Everyone else suggested either the air filter, fuel filter, catalytic converter being clogged, spark plugs, or plug harness, and of course fuel pump. You cannot hear the fuel pump, but it actually started once or twice yesterday, so seems to be priming. I think this still boils down to getting the trouble codes, which is new to me, so will have to get a scanner and try to figure it out. I have no clue how to initiate or read the dash blinking.

Are you sure that it is fuel problems? Turn key to the on position and listen for a buzzing sound. That buzzing sound is the fuel pump. If you do not hear it then the fuel pump has gone out or maybe it's a fuse to the fuel pump. If the pump is working the it could be the timing belt. Check it out.

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Rocky, could be loose wire/ground, faulty fuel pump, etc.,take into a good shop and have it scanned for trouble codes, diagnosed and estimate for repair.
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The FIRST thing you need to do is STOP REPLACING PARTS until you can properly diagnose the vehicle and PROVE what is causing the engine to stall and not start. This should be done by testing the systems involved - NOT by replacing parts to see if it works....

When it stalls, what is missing? Does it have spark at the spark plugs? Does it have fuel pressure? Does it have injector pulse? Have you scanned the computer for fault codes? If you have, what codes did you get? These questions should all be answered LONG before any parts should be replaced.

first have to solve the problem the check engine light will tell you what's wrong by diagnosing the problem have to get the trouble code and find what causing it google.com has few guys posted how to diagnose this and find the source of the problem. might be concern on gas fuel filter clogged, or injector are also clogged,

Sounds like you had a fuel line break. Turn the car on until it stops. Try to follow the smell. Back or underneath or front. Look for pools of fuel. Inspect the top of the engine, fuel lines, rails and injectors.

After doing some research on this subject and that trouble code, signs point to the fuel pressure regulator. I believe this is located inside the fuel tank on the taurus. I believe you have a "returnless" fuel system. Meaning there is only one line coming from the tank with no return line. The pressure regulator in the tank can fail causing fuel pressures to go sky high. That will cause fueling issues which can stall the car or cause it to run badly.

Based on the information you provided, I think this is the best place to start. Good luck.